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Key Documents

03202

Sigma-Aldrich

tert-Butyl ethyl ether

purum, ≥97.0% (GC)

Synonym(s):

2-Methyl-2-ethoxypropane, ETBE, Ethyltert-butyl ether, Ethyltert-butyl oxide

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About This Item

Linear Formula:
C2H5OC(CH3)3
CAS Number:
Molecular Weight:
102.17
Beilstein/REAXYS Number:
1731469
EC Number:
MDL number:
UNSPSC Code:
12352100
eCl@ss:
39021026
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

155 mmHg ( 25 °C)

Quality Level

grade

purum

assay

≥97.0% (GC)

form

liquid

contains

~0.01% 2,6-Di-tert-butyl-4-methlyphenol as stabilizer

refractive index

n20/D 1.375 (lit.)
n20/D 1.376

bp

72-73 °C (lit.)

mp

−97 °C (lit.)

density

0.742 g/mL at 25 °C (lit.)

SMILES string

CCOC(C)(C)C

InChI

1S/C6H14O/c1-5-7-6(2,3)4/h5H2,1-4H3

InChI key

NUMQCACRALPSHD-UHFFFAOYSA-N

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Application

tert-Butyl ethyl ether (ETBE) is generally used as an antiknock additive in gasoline for the reduction of carbon monoxide and unburned hydrocarbons emission from automobile exhausts.

pictograms

FlameExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-2.2 °F - closed cup

flash_point_c

-19 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Effect of additives on the antiknock properties and Reid vapor pressure of gasoline.
Da Silva R, et al.
Fuel: The Science and Technology of Fuel and Energy, 84(7-8), 951-959 (2005)
Experimental and modeling study of the gas-phase oxidation of methyl and ethyl tertiary butyl ethers.
Glaude PA, et al.
Combustion and Flame, 121(1-2), 345-355 (2000)
Yuzo Asano et al.
Drug and chemical toxicology, 34(3), 311-317 (2011-06-09)
Ethyl tertiary-butyl ether (ETBE) is commonly used as an oxygenated gasoline additive. In this study, the prenatal developmental toxicity of ETBE was determined in rabbits. New Zealand white rabbits were given ETBE by gavage at 100, 300, or 1,000 mg/kg/day
Ann de Peyster et al.
Toxicology letters, 190(1), 74-80 (2009-07-15)
These experiments were conducted to follow up on a report of testis seminiferous tubular degeneration in Fischer 344 rats treated with high doses of ethyl t-butyl ether (ETBE). Also, high doses of a related compound, methyl t-butyl ether (MTBE), had
Zuquan Weng et al.
Industrial health, 49(3), 396-399 (2011-03-05)
To clarify the genotoxicity of ethyl tertiary butyl ether (ETBE), a gasoline additive, male and female C57BL/6 mice of Aldh2+/+ and Aldh2-/- genotypes, aged 8 wk, were exposed to 0, 500, 1,750, or 5,000 ppm ETBE for 6 h/day, 5

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